French commune at the heart of conspiracies.

This medieval tower is all that remains of the castle where Joan of Arc was held before being burned at the stake.

An abandoned beach resort in Normandy reclaimed by artists.

A French valley with forests so lush it was nicknamed "the Small Amazonia of the Pyrenees."

An ancient monastery, a locked room, and a mysterious book heist.

The world's largest reflecting pool is just two centimeters deep.

This stunning French estate was so lavish that it landed its original owner in jail for the rest of his life.

This historic island prison holds one of the dungeons from the Count of Monte Cristo even though it is a work of fiction.

A 14th century bridge built as a fortress, where the devil lurks on one of its towers.

The macabre collection of Jacques Sirgent, an expert scholar on the undead and all of their trappings.

The oldest stone house in Paris was built by its most famous alchemist.

The vast, legendary catacombs hold secrets much stranger than stacked bones.